1. Direction: When referring to direction, opposite means "facing or situated directly against or in the reverse direction of something." For example, "The two houses were situated opposite each other on the street."
2. Position: In terms of position, opposite can mean "situated on the other side of something," "facing or turned toward something," or "contrasting sharply in nature or character." For example, "The store is located on the opposite side of the mall," "The two paintings were hung opposite each other on the wall," and "The opposite of love is hate."
3. Contrast or Contrariness: Opposite can be used to describe something that is "completely different or contrasting in nature, character, or quality." For example, "They had opposite personalities; she was outgoing, while he was introverted."
4. Mathematical Operation: In mathematics, the opposite of a number is its additive inverse. The opposite of a number x is the number that, when added to x, results in zero. For example, the opposite of 5 is -5, and the opposite of -3 is 3.
5. Logical Negation: In logic and philosophy, the opposite of a proposition or statement is its negation or contradictory statement. The opposite of a proposition "P" is usually represented as "¬P" (not P). For example, the opposite of "The sky is blue" is "The sky is not blue."
The meaning of "opposite" can vary depending on the specific field, context, or subject being discussed.